Alibaba Cloud Linux(Aliyun Linux) release 2.1903 LTS？

2025-06-01 08:15:00 分类：云知识

Alibaba Cloud Linux (Aliyun Linux) Release 2.1903 LTS is a Linux distribution developed and maintained by Alibaba Cloud, specifically optimized for use on Alibaba Cloud’s Elastic Compute Service (ECS) instances.

Overview of Alibaba Cloud Linux 2.1903 LTS

  • Distribution Name: Alibaba Cloud Linux 2 (based on CentOS/Red Hat Enterprise Linux compatibility)
  • Version: 2.1903
  • Release Date: March 2019
  • Status: Long-Term Support (LTS), supported for several years with security patches and updates.
  • Use Case: Optimized for cloud environments, especially Alibaba Cloud ECS.
  • Package Manager: yum
  • Architecture(s) Supported: x86_64 (and possibly others depending on instance type)

Key Features

  1. Performance Optimization:

    • Kernel tuned for cloud workloads.
    • Enhanced I/O scheduling and networking performance.

  2. Security Enhancements:

    • Regular security updates.
    • SELinux support and other hardened configurations.

  3. Compatibility:

    • Compatible with most RPM packages from RHEL/CentOS 7.x ecosystem.
    • Supports major development tools and runtimes like Docker, Kubernetes, etc.

  4. Cloud Integration:

    • Pre-integrated with Alibaba Cloud infrastructure components.
    • Optimized drivers for virtualization and storage on ECS.

  5. Support Lifecycle:

    • Typically aligned with CentOS/RHEL lifecycle; expect around 10 years of support (until ~2029).
    • Note: Specific support timelines should be verified via Alibaba Cloud official documentation.

How to Identify It

You can check the OS version using:

cat /etc/os-release

or

cat /etc/alinux-release

Example output:

Alibaba Cloud Linux release 2.1903 LTS (Hunting Beagle)

Package Management

Uses YUM as the default package manager:

sudo yum update
sudo yum install <package-name>

Repositories are pre-configured for Alibaba Cloud mirrors, which ensures fast downloads in the cloud environment.

Choosing Between Alibaba Cloud Linux and Other Distributions

Feature Alibaba Cloud Linux 2.1903 CentOS/RHEL 7 Ubuntu 18.04
Optimized for Alibaba Cloud ✅ Yes ❌ No ❌ No
Performance Tuning ✅ Yes ⚠️ Needs tuning ⚠️ Needs tuning
LTS Support ✅ Until ~2029 ✅ Until 2024 (CentOS 7 EOL) ✅ Until 2023
Familiarity RHEL-like RHEL-like Debian-based
Use Case Best for Alibaba Cloud users General purpose General purpose

Note: CentOS 7 reached End of Life (EOL) in June 2024, so if you’re choosing an LTS system today, consider Alibaba Cloud Linux 3 or Rocky Linux/AlmaLinux 8+ instead.

Migration and Replacement Options

If you’re using Alibaba Cloud Linux 2.1903 and looking to upgrade/migrate:

  • In-place upgrades: Not typically recommended between major versions.
  • Next-generation options:
    • Alibaba Cloud Linux 3 (based on RHEL 8 stream)
    • Rocky Linux 8 or AlmaLinux 8
    • Ubuntu 20.04 LTS or 22.04 LTS

Official Resources

  • Alibaba Cloud Linux Documentation
  • Alibaba Cloud Linux FAQ

Let me know if you need help upgrading from this version or comparing it to another distro!

未经允许不得转载：CLOUD技术博 » Alibaba Cloud Linux(Aliyun Linux) release 2.1903 LTS？